Scale



DCC. 8, 1931 R, KILPPER 1,835,223

SCALE Filed July 16 1929,

Patented Dec. 8, 1931 UNITED STATES PATENT OFFICE.

RUDOLIH KILPPER, or HOUSTON, TEXAS SCALE Application filed July 16, 929.Seria1 No. 378,756.

This invention rclates to new and useful In scales as now constructed,which emimprovements in a scale. body the steelyard principle the armsof the One object of the invention is to provide clevis 2 and 9, and thebeam 1, are provided, a weighing machine, of the character de- One withknive edge bearings which support 3 scribed, embodying the principle ofthe steelthe other, s that the beam is supported on yard and having animproved type of beara knife edge bearing on which it pivots and ingsthrough which the beam is supported on the clevis 9 is supported fromsaid beam, and its fulcrum and through which the load to pvots on knifeedge bearings carried either be weighed is supported from the short arm.by said beam or by said clevis 9. 'When heavy lo of the beam, as well asa novel type of bearing l0ads are being weighed, these bearings Soon ofrom which the counter poise is supported become so worn that thefriction of them prefrom, and by means of which it may be moved ventaccuracy in weighing. In order to prealong, the beam. vent this, thebearings shown, and herein- With the above and other objects in viewabove described, have been provided. 1: this invention has particularrelation to cer- That portion of the beam between the rods 05 tain novelfeatures of construction, operation 5 and 8 may be termed the short armof the and arrangement of parts, an example of beam and that portionthereof beyond the which is given in this specification and illusfulcrumrod 5 may be termed the long arm trated in the accompanying drawings, ofthe beam. This long arm is gradated,

:u wherein or sealed, and there is a counterpoise weight Figure 1 showsa side view of the device. 12 suspended on the rod 13 whose upper endFigure 2 shows a cross sectional view taken terminates in a hook shapedbracket 14. The on the line 22 of Figure 1. arms of this bracket supportthe bearing Figure 3 shows a cross sectional view rod 15 on which thegrooved' wheel 16 is taken on the line 33 of Figure 1, and mounted. Thiswheel is mounted to run on 7 Figure4 shows a cross sectional view takenthe antifriction bearings 17, and the wheel on the line 44 of Figure 1.runs along the long arm of the beam 1, which Referring now moreparticularly to the forms a track therefor. The bracket 14 cardrawingsthe numeral 1 designates the scale ries the pointer 18, which cooperateswith -4 beam. There is a supporting clevis 2 whose the graduated scaleon the long arm of the so arms embrace the beam and are connected beam,to designate the weight of the load by the cross bar 3. The hook 4 has aswivelon the hook 11. ling connection with said bar 3. A fulcrum Onlyone form of the scale has been shown rod is supported by the free endsof said and described but it is obvious that the prin- :.3 arms andextends through said beam and the ciple embodied in the disclosure maybe vabeam is supported on the fulcrum rod 5 by ried in constructionwithin the scope of the means of conventional ball bearings 6. Theinvention as defined bythe' appended claims. beam has an upstandingpointer 7 which in- What I claim is dicates, by its relation to theclevis 2, the 1. A scale including a beam, a supporting -7 position ofthe beam in relation to a h0rifulcrum on which the beam is poised, asupzontal plane. porting device for the load to be weighed Spaced fromthe fulcrum rod 5 there is attached to the beam on one side of thefulanother transverse rod 8 and there is a decrum, a counterpoise weightadjustable along pending clevis 9 whose arms embrace the the beam on theother side of the fulcrum,

beam 1 and are supported by, and have antia bracket attached to saidweight, a wheel -friction bearings 10,10 on, said rod 8. There mountedon antifriction bearings in the is a hook 11 which depends from, and hasbracket and movable along the beam, antia swivelling connection with,the clevis 9. friction bearings for said fulcrum and anti- The hook 11is provided to support the friction bearings for said load supportingload to be weighed. device.

2. A Scale including a beamasupporting fulcrum on which the beam ispoised, ,antifriction bearin"gs incr porated into the fulcrum andsupporting the beam, a load sup- 5 porting device supported enantifriction bearings which in turn are supported by said beam en;oneside of the*f11lcrum a counterp0ise weight acljustable along the'beam"0n the other side of said ful crum, a roller mov- 1O able alongsaid beam and from which said weight is suspei1ded.

3. A scale including a beam, a supporting fulcrum on which the beam ispoised, anti i friction bearings inccrperatedi1to said ful:

crum and-supporting'the beani, antifriction bearingssupported by thebeam 0n one side of the fulcrum, a load supporting device supported bysaidlast mentioned barings, a counterpoige' weight Y. adjustable alongthe beam en the 0ther Side '0f the fulcrum, a

brack et to which said-weight is attached, a roller mounted onantifriction bearirigs in the bra}l:et and movable along said beam as atrae r In testimony whereof I.ha ve signed my Y name to thisspecification.

, RUDOLPH KILPPER

